4071879940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1\times {\mathrm{2579}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 8660131200

約数和(自身を除く): 4588251260

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 887, 890, 1774, 1780, 2579, 3548, 4435, 5158, 8870, 10316, 12895, 17740, 25790, 51580, 78943, 157886, 229531, 315772, 394715, 459062, 789430, 918124, 1147655, 1578860, 2287573, 2295310, 4575146, 4590620, 9150292, 11437865, 22875730, 45751460, 203593997, 407187994, 814375988, 1017969985, 2035939970, 4071879940]

約数ペア:

[(1, 4071879940), (2, 2035939970), (4, 1017969985), (5, 814375988), (10, 407187994), (20, 203593997), (89, 45751460), (178, 22875730), (356, 11437865), (445, 9150292), (887, 4590620), (890, 4575146), (1774, 2295310), (1780, 2287573), (2579, 1578860), (3548, 1147655), (4435, 918124), (5158, 789430), (8870, 459062), (10316, 394715), (12895, 315772), (17740, 229531), (25790, 157886), (51580, 78943)]